364 



thoracis immersa; spiracula abdominalia in segmentis dorsali- 

 bus intra pleuras ad basin versus pertusa. 



Victus phytophagus, in cortice, ligno arborum, nonnullis 

 etiam in parenchymate foriorum cunicularius. 



Conspectus morphologicus. 



Articulus secundus antennarum 



conice cylindricus, nonnihil excurvus, apice brevissime 

 barbatus Euchromati, Eurythyreæ, Anthaxiæ, 

 subglobosus, totus ferme membranaceus, apice dense pilosus 

 Ancylochiræ, Chrysobothridi, Agrilo, Tra- 

 chydi. 

 Articulus tertius antennarum 

 gracilis, conicus plerisque, 



clavatus, pediculo corneo brevissimo, clava molli, elliptica, 

 min^te verrucosa Euchromati. 

 Labrum 



transversum plerisque , 

 q^adratum Agrilo, Trachydi; 

 angulis rotundatis plerisque, 



incisura separatis, obtuse acuminatis Euchro- 

 mati, Eurythyreæ. 

 landibulæ 



quadrifidæ, lobis acutis, binis intermediis majoribus Eu- 

 chromati; 

 trifidæ, lobis acutis, infimo minore Eurythyreæ, An- 

 cylochiræ, Chrysobothridi; 

 bifidæ, lobis rotundatis Anthaxiæ, 

 acuminatis Trachydi; 

 integræ, oblique truncatæ Agrilo. 

 Linea elevata dorsi mandibulæ 



in dentem acutum supra condylum articularium inferiorem 

 producta Euchromati, Eurythyreæ, Ancylo- 

 chiræ, Chrysobothridi, 

 simplex Anthaxiæ, Agrilo, Trachydi. 



